Home / 126,876.78-175,075.83-70,273.98

Finding the Fourth Proportional to 126,876.78, 175,075.83 and 70,273.98

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Solution

The fourth proportional to 126,876.78, 175,075.83 and 70,273.98 is: 96,970.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,876.78 : 175,075.83 = 70,273.98 : x
  2. Step 2: Convert to fraction form
    126,876.78/175,075.83 = 70,273.98/x
  3. Step 3: Cross multiply
    126,876.78x = 175,075.83 × 70,273.98
  4. Step 4: Simplify right side
    126,876.78x = 12,303,275,375.90
  5. Step 5: Solve for x
    x = 12,303,275,375.90/126,876.78
  6. Step 6: Final answer
    x = 96,970.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.